Vehicle seat

• US 9,637,035 B2
• Filed: 05/19/2015
• Issued: 05/02/2017
• Est. Priority Date: 05/20/2014
• Status: Expired due to Fees

• Current Assignee: Toyota Boshoku Kabushiki Kaisha
• Original Assignee: Toyota Boshoku Kabushiki Kaisha
• Inventors: Asano, Hisatomo, Abe, Sakino, Matsuda, Motohiro
• Primary Examiner(s): Nguyen, Chi Q
• Application Number:
  US14/716,088
• Publication Number:
  US 20150336491A1
• Time in Patent Office: 714 Days
• Field of Search: 29745248, 29745258, 2972281, 29745257, 29745256, 29745262, 29745227, 29745233, 29745226, 29745232, 29745229, 29745223, 29745224, 29745225, 2972181, 2972182, 2972183, 2972184, 2972185
• CPC Class Codes: A47C 7/18 having foamed material included in cushioning part foamed material mattresses A47C27/14
• CPC Class Codes: A47C 7/24 Upholstered seats A47C7/18 takes precedence
• CPC Class Codes: B60N 2/58 Seat coverings
• CPC Class Codes: B60N 2/5891 characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for
• CPC Class Codes: B60N 2/643 shape of the back-rests B60N2/66 takes precedence
• CPC Class Codes: B60N 2/646 shape of the cushion
• CPC Class Codes: B60N 2/68 Seat frames
• CPC Class Codes: B60N 2/70 Upholstery springs ; Upholstery
• CPC Class Codes: B61D 33/0035 Cushions or the like; Covers
• CPC Class Codes: B64D 11/0647 Seats characterised by special upholstery or cushioning features

Abstract

A vehicle seat includes: a seat pad that forms a supporting surface that supports a seated occupant; and a skin that is made of a knitted fabric or a woven fabric and covers the seat pad. The skin has a first region and a second region arranged adjacent to each other on the supporting surface, and the first region is lower in density and thinner than the second region.

Claims

1. A vehicle seat comprising:

a seat pad that forms a supporting surface that supports a seated occupant; and

a skin that is made of a knitted fabric or a woven fabric and covers the seat pad, wherein

the skin has a first region and a second region arranged adjacent to each other on the supporting surface, and

the first region is lower in density and thinner than the second region.

2. The vehicle seat according to claim 1, wherein

the supporting surface includes:

a main portion that receives a load from the seated occupant in a normal seating position when a vehicle is in a stopped state, the main portion being provided at an intermediate portion in a width direction of the vehicle seat; and

side support portions that protrude from both sides of the main portion in the width direction, and

two first regions are provided in the skin between the main portion and the side support portions in the skin.

3. The vehicle seat according to claim 2, wherein

the supporting surface is a backrest surface of a seat back, and

the first regions are arranged at positions at which blade bones of the seated occupant are supported.

4. The vehicle seat according to claim 3, wherein

the first regions extend from a height at which the blade bones of the seated occupant are supported to a height at which a lumbar of the seated occupant is supported so as to become gradually narrower toward a lower side of the vehicle seat.

5. The vehicle seat according to claim 1, wherein

the supporting surface is a seating surface of a seat cushion,

the first region is arranged at a position at which a pelvis of the seated occupant is supported, and

the second region is arranged ahead of the first region in a front direction of the vehicle seat.

6. The vehicle seat according to claim 5, wherein

the skin has a third region that is arranged adjacent to and ahead of the second region in the front direction of the vehicle seat and extends to a front end of the seating surface, and

the third region is lower in density and thinner than the second region.

7. The vehicle seat according to claim 1, wherein

the skin is one of a seamless knitted fabric or a woven fabric, and

the skin is integrated with a front surface of the seat pad when molding the seat pad.